Patents by Inventor Junchi YUAN

Junchi YUAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Processing die and preparation method for fastener
    Patent number: 11701704
    Abstract: A processing die and a preparation method for a fastener are provided. The processing die includes a punch and a die. The top of the punch and the bottom of the die are configured for being connected with a hydraulic press, the die includes a first half die and a second half die which are clamped to form an inlet channel, an expansion corner channel and a torsion channel, and an extrusion channel is included in the forming sliding block, the inlet channel, the expansion corner channel, the torsion channel and the extrusion channel are sequentially assembled to form a die channel cavity, and a billet to be processed is successively subjected to upsetting, shearing, torsion and extrusion in a single die under the pressure of the punch.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: July 18, 2023
    Assignee: XUZHOU UNIVERSITY OF TECHNOLOGY
    Inventors: Xiaoxi Wang, Xiang Zhang, Junchi Yuan, Zhiwei Yin, Tingyu Liang
  • PROCESSING DIE AND PREPARATION METHOD FOR FASTENER
    Publication number: 20230211405
    Abstract: A processing die and a preparation method for a fastener are provided. The processing die includes a punch and a die. The top of the punch and the bottom of the die are configured for being connected with a hydraulic press, the die includes a first half die and a second half die which are clamped to form an inlet channel, an expansion corner channel and a torsion channel, and an extrusion channel is included in the forming sliding block, the inlet channel, the expansion corner channel, the torsion channel and the extrusion channel are sequentially assembled to form a die channel cavity, and a billet to be processed is successively subjected to upsetting, shearing, torsion and extrusion in a single die under the pressure of the punch.
    Type: Application
    Filed: January 5, 2022
    Publication date: July 6, 2023
    Applicant: XUZHOU UNIVERSITY OF TECHNOLOGY
    Inventors: Xiaoxi WANG, Xiang ZHANG, Junchi YUAN, Zhiwei YIN, Tingyu LIANG